Title page for ETD etd-71197-1543

Type of Document Master's Thesis
Author Gopalakrishnan, Sucharita
Author's Email Address suchi@birch.ee.vt.edu
URN etd-71197-1543
Title Development of Web-Based Educational Modules for Testing VHDL Models of Digital Systems
Degree Master of Science
Department Electrical Engineering
Advisory Committee
Advisor Name Title
Armstrong, James R.
Ha, Dong Sam
Gray, Festus Gail Committee Chair
  • Teaching
  • Internet
  • World Wide Web
  • Testing
  • VHDL
Date of Defense 1997-08-06
Availability unrestricted
Development of Web-Based Educational Modules for Testing VHDL Models

of Digital Systems

Sucharita Gopalakrishnan


The exponential growth of the World Wide Web (WWW) on the Internet and accompanying WWW browsers has promoted opportunities for new methods of teaching and learning. Teaching does not simply involve presenting textual information over the Internet along with a few hyperlinks, but requires effective user engagement with the teaching module. This is the main challenge in website design.

The objective of this thesis is the development of an effective training module made available over the Internet so as to train acquisition and maintenance personnel on how they can use VHDL to design and maintain digital systems. The educational modules provide extensive information on VHDL modeling and testing styles and standards at various abstraction levels. The Sobel edge detector model was chosen as an example to explain the various concepts of modeling and testing. This model was chosen since it was thought to be simple enough for any student to understand, yet complex enough to explain most of the VHDL concepts of modeling and testing. The course material on test bench development at various levels of abstraction, reuse of test bench models, use of configurations for simulation of mixed abstraction and mixed data type models, testing techniques and WAVES was developed as a part of the current thesis.

Finally a complete section on website design has been included which explains the design strategy adopted for developing the website and the various key issues involved in presenting teaching modules over the Internet.

  Filename       Size       Approximate Download Time (Hours:Minutes:Seconds) 
 28.8 Modem   56K Modem   ISDN (64 Kb)   ISDN (128 Kb)   Higher-speed Access 
  ch1.pdf 14.65 Kb 00:00:04 00:00:02 00:00:01 < 00:00:01 < 00:00:01
  ch2.pdf 38.34 Kb 00:00:10 00:00:05 00:00:04 00:00:02 < 00:00:01
  ch3.pdf 110.94 Kb 00:00:30 00:00:15 00:00:13 00:00:06 < 00:00:01
  ch4.pdf 44.07 Kb 00:00:12 00:00:06 00:00:05 00:00:02 < 00:00:01
  ch5.pdf 36.60 Kb 00:00:10 00:00:05 00:00:04 00:00:02 < 00:00:01
  ch6.pdf 122.08 Kb 00:00:33 00:00:17 00:00:15 00:00:07 < 00:00:01
  ch7.pdf 4.34 Kb 00:00:01 < 00:00:01 < 00:00:01 < 00:00:01 < 00:00:01
  end.pdf 84.04 Kb 00:00:23 00:00:12 00:00:10 00:00:05 < 00:00:01
  etd.pdf 15.68 Kb 00:00:04 00:00:02 00:00:01 < 00:00:01 < 00:00:01

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